On 7/10/07, Zhang Wei <[email protected]> wrote:
Add channel wait queue and transfer callback dma_xfer_callback().
If the DMA controller and driver support interrupt, when the
transfer is finished, it will wakeup the wait queue
and call the callback function of the channel.
Add dma_async_raw_xfer() to API and device_raw_xfer() to struct dma_device
for RAW physical address DMA transfer, which will be used at transfer
between I/O address and memory address.
Please review the async_tx API patch series[1], it should meet your
needs. What you call "raw" mode support is now default for the
dmaengine driver interface. I plan to request that this series be
merged for 2.6.23.
Regards,
Dan
[1]http://marc.info/?l=linux-raid&w=2&r=1&s=md-accel&q=b
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